40025519 has 2 divisors, whose sum is σ = 40025520. Its totient is φ = 40025518.

The previous prime is 40025483. The next prime is 40025551. The reversal of 40025519 is 91552004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40025519 - 2⁸ = 40025263 is a prime.

It is a super-2 number, since 2×40025519² = 3204084342438722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40025119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012759 + 20012760.

It is an arithmetic number, because the mean of its divisors is an integer number (20012760).

Almost surely, 2^40025519 is an apocalyptic number.

40025519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025519 is an equidigital number, since it uses as much as digits as its factorization.

40025519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 40025519 is about 6326.5724527583. The cubic root of 40025519 is about 342.0679020015.

The spelling of 40025519 in words is "forty million, twenty-five thousand, five hundred nineteen".